Jiaqi Guo@guojq_rrFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceguojq_rr has not updated employment details yet.Educationguojq_rr has not updated education details yet.Linksguojq_rr has not updated links details yet. Skillsguojq_rr has not updated skills details yet.